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/* TIATracker, (c) 2016 Andre "Kylearan" Wichmann.
* Website: https://bitbucket.org/kylearan/tiatracker
* Email: andre.wichmann@gmx.de
* See the file "license.txt" for information on usage and redistribution
* of this file.
*/
#include "instrumentselector.h"
#include "track/track.h"
#include "mainwindow.h"
#include <QPainter>
#include <iostream>
#include <QMouseEvent>
#include <QList>
#include <QKeySequence>
InstrumentSelector::InstrumentSelector(QWidget *parent) : QWidget(parent)
{
font.setPixelSize(fontSize);
QFontMetrics fontMetrics(font);
fontHeight = fontMetrics.height();
buttonHeight = 2*buttonVerticalMargin + fontHeight;
widgetHeight = 2*verticalMargin
+ buttonHeight*Track::Track::numInstruments
+ buttonHeight*Track::Track::numPercussion
+ insPercMargin;
setFixedHeight(widgetHeight);
setFixedWidth(minWidth);
}
InstrumentSelector::~InstrumentSelector()
{
for (int i = 0; i < shortcutActions.size(); ++i) {
delete shortcutActions[i];
}
}
/*************************************************************************/
void InstrumentSelector::initSelector() {
// Create instrument and percussion shortcut actions
for (int i = 0; i < Track::Track::numInstruments; ++i) {
QString actionName = "Instrument" + QString::number(i + 1);
QString shortcut = MainWindow::keymap[actionName].toString();
QAction *action = new QAction(this);
action->setShortcut(QKeySequence(shortcut));
QObject::connect(action, SIGNAL(triggered(bool)), this, SLOT(keyShortcut(bool)));
action->setData(QVariant(i));
addAction(action);
shortcutActions.append(action);
}
for (int i = 0; i < Track::Track::numPercussion; ++i) {
QString actionName = "Percussion" + QString::number(i + 1);
QString shortcut = MainWindow::keymap[actionName].toString();
QAction *action = new QAction(this);
action->setShortcut(QKeySequence(shortcut));
QObject::connect(action, SIGNAL(triggered(bool)), this, SLOT(keyShortcut(bool)));
action->setData(QVariant(Track::Track::numInstruments + i));
addAction(action);
shortcutActions.append(action);
}
}
/*************************************************************************/
void InstrumentSelector::registerTrack(Track::Track *newTrack) {
pTrack = newTrack;
}
/*************************************************************************/
void InstrumentSelector::registerPianoKeyboard(PianoKeyboard *pNewKeyboard) {
pKeyboard = pNewKeyboard;
}
/*************************************************************************/
int InstrumentSelector::getSelectedInstrument() {
return selected;
}
/*************************************************************************/
void InstrumentSelector::setSelectedInstrument(int index) {
selected = index;
updateNewSelectedInstrument();
}
/*************************************************************************/
QSize InstrumentSelector::sizeHint() const {
return QSize(minWidth, widgetHeight);
}
/*************************************************************************/
void InstrumentSelector::updateNewSelectedInstrument() {
if (selected < 7) {
// Instrument
TiaSound::Distortion dist = pTrack->instruments[selected].baseDistortion;
emit setWaveform(dist);
} else {
// Percussion
emit setUsePitchGuide(false);
}
update();
}
/*************************************************************************/
void InstrumentSelector::keyShortcut(bool) {
QAction *action = qobject_cast<QAction *>(sender());
selected = action->data().toInt();
updateNewSelectedInstrument();
}
/*************************************************************************/
void InstrumentSelector::paintEvent(QPaintEvent *) {
QPainter painter(this);
buttonWidth = width() - 2*horizontalMargin - 2*buttonHorizontalMargin;
painter.fillRect(0, 0, width(), height(), MainWindow::dark);
// Buttons
painter.setFont(font);
for (int i = 0; i < Track::Track::numInstruments + Track::Track::numPercussion; ++i) {
int yPos = verticalMargin + i*buttonHeight + buttonVerticalMargin;
QString insName;
if (i >= Track::Track::numInstruments) {
// Percussion
yPos += insPercMargin;
insName = QString::number(i - Track::Track::numInstruments + 1) + ": " + pTrack->percussion[i - Track::Track::numInstruments].name;
} else {
// Instrument
insName = QString::number(i + 1) + ": " + pTrack->instruments[i].name;
}
QColor colBack, colText;
if (i != selected) {
colBack = MainWindow::contentLighter;
colText = MainWindow::light;
} else {
colBack = MainWindow::light;
colText = MainWindow::contentDarker;
}
painter.fillRect(horizontalMargin, yPos, width() - 2*horizontalMargin, fontHeight, colBack);
painter.setPen(colText);
painter.drawText(horizontalMargin + buttonHorizontalMargin,
yPos + buttonVerticalMargin,
buttonWidth,
fontHeight,
Qt::AlignLeft,
insName
);
}
}
/*************************************************************************/
void InstrumentSelector::mousePressEvent(QMouseEvent *event) {
if (event->x() < horizontalMargin || event->x() > width() - horizontalMargin
|| event->y() < verticalMargin || event->y() > widgetHeight - verticalMargin) {
return;
}
int buttonY = event->y() - verticalMargin;
if (buttonY > buttonHeight*Track::Track::numInstruments) {
buttonY -= insPercMargin;
}
selected = buttonY/buttonHeight;
if (selected < 7) {
// Instrument
TiaSound::Distortion dist = pTrack->instruments[selected].baseDistortion;
emit setWaveform(dist);
} else {
// Percussion
emit setUsePitchGuide(false);
}
update();
}
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